network_stuff:flow_information
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| network_stuff:flow_information [2023/07/28 09:04] – jotasandoku | network_stuff:flow_information [2023/11/02 14:38] (current) – external edit 127.0.0.1 | ||
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| ip flow monitor Flow-monitor sampler Flow-sampler input | ip flow monitor Flow-monitor sampler Flow-sampler input | ||
| - | Netflow in ubuntu or FRR: | + | Netflow in ubuntu or FRR (agent): |
| \\ | \\ | ||
| FRR01:~# systemctl status pmacctd.service | FRR01:~# systemctl status pmacctd.service | ||
| Line 58: | Line 58: | ||
| pre_tag_map: | pre_tag_map: | ||
| timestamps_secs: | timestamps_secs: | ||
| - | | + | |
| + | SFLOW collector: | ||
| + | * The default open source collector is : [[http:// | ||
| ---- | ---- | ||
| **__SFLOW__** | **__SFLOW__** | ||
| + | * sampled frames + interface counter + flow-tuple data. All in the same packet | ||
| + | * sflow is configurable via SNMP mibs | ||
| + | |||
| + | * Flow sample (conceptually one in each sflow packet but in reality we pack more than 1). It lists things like: ingress egress. ifindex and < | ||
| + | * Flow record (the frame header with a little bit of metadata (like header protocol (eg: Ethernet)) | ||
| + | |||
| + | |||
| \\ | \\ | ||
| SFLOW IN LINUX / FRR: | SFLOW IN LINUX / FRR: | ||
| Line 134: | Line 143: | ||
| set protocols sflow collector 2.2.2.2 udp-port 6343 | set protocols sflow collector 2.2.2.2 udp-port 6343 | ||
| set protocols sflow interfaces xe-0/ | set protocols sflow interfaces xe-0/ | ||
| + | | ||
| + | In Cisco (IOS-XR): [[https:// | ||
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